baber/WOPTO huggingface dataset:
Patent GB-762919-A (GB)
Title: Improvements in and relating to stop mechanism for yarn twisting and winding machines
IPC: D01H13/16
Filed: 1954-09-28
Abstract: 762,919. Stop motion for twisting machines. UNIVERSAL WINDING CO. Sept. 28, 1954 [Nov. 16, 1953], No. 28018/54. Class 120 (2). Apparatus for twisting and winding a strand of yarn comprises a multiple twist spindle associated with a winding up means and a stop motion mechanism operable in the absence of a winding strand to stop the winding means and the spindle. In the arrangement shown a package of untwisted yarn 90 is carried by a multiple twist spindle 60 and the yarn after being twisted passes in the usual manner to a package core carried by winding spindle 16. The spindle 16, the shaft 18, which carries a star wheel 20, and yarn traversing mechanism are driven through a clutch (not shown) on shaft 22 the latter being spring urged in a counter-clockwise direction to disengage the clutch and pivoted in a clockwise direction by handle 24 to engage the clutch and start the winding mechanism. An elbow shaped lever 26 is rigidly attached to shaft 22 and when the latter is pivoted in a clockwise direction a latch shoulder 28 on the lever 26 engages a shoulder or flange 36 on keeper lever 32 to hold the shaft 22 in its operative position. The same movement of shaft 22 also moves an extension 58 of lever 26 downwardly and thus through link 100, levers 102 and 104 and link 106 raises cam plate 110 and thus permits the weight of the multiple twist spindle which is carried by an L-shaped arm 66 pivoted by a shaft 68 on an inverted channel member 12, to pivot it rearwardly to engage the spindle whorl 72 with the driving belt 72. The upward movement of link 106 also causes a stud 136 thereon to engage a finger 128 of brake lever 120 to swing the brake pad 130 away from flange 74 of flyer 75 attached to the spindle. Breakage or absence of the running yarn permits breakage lever 44 to pivot in a counterclockwise direction (Fig. 5) to bring an abutment 52 thereon beneath one of the projections formed on the rotating star wheel 20. The latter then drives the breakage lever downwards and thus disengages the shoulders 28 and 36 whereupon the spring means attached to shaft 22 rotates it and the handle 24 in a counter-clockwise direction to disengage the clutch and stop the operation of the winding mechanism. Rotation of shaft 22 also lifts the extension 58 of lever 26 and through link 100 &c. moves link 106 downwardly. This movement by means of cam 110 and follower 114 swings the L-shaped arm 66 and the multiple twist spindle 60 thereon outwardly to thereby disengage whorl 72 from driving belt 78 The downward movement of link 106 also moves the stud 136 away from brake finger 128 permitting a spring 134 to pivot brake pad 130 upwardly into engagement with the flange 75 to stop the rotation of the spindle. Specification 682,390 and U.S.A. Specification 2,478,928 are referred to.
Patent GB-192450-A (GB)
Title: Improvements in and relating to water-closet basins or pans
IPC: E03D11/02
Filed: 1921-10-22
Abstract: 192,450. Kelly, T. Oct. 22, 1921. Closets, ventilating.-A horn 7 for connection to a shaft opens into the flush pipe 5. A second connection 3 communicates with the basin through a slit 8. Reference has been directed by the Comptroller to Spceifications 529/95, 17680/95, 25430/03, 11308/04 and 19062/09.
Patent GB-380959-A (GB)
Title: Improvements in conveyor chains
IPC: B65G17/38
Filed: 1931-10-09
Abstract: 380,959. Driving-chains. HARGREAVES, T. F., 28, Southampton Buildings, London.-(Victor Iron Works, Inc. ; 1106, Brook Avenue, Bronx, New York, U.S.A.) Oct. 9, 1931, No. 28147. [Class 24.] A conveyer chain is adapted for flexing in two directions at right-angles by forming the links with an eye 5 and spaced arms 6, 7, and connecting them by a pivot pin passing through an arcuate bushing 17 on which the eye 5 of the link can slide. As shown in Fig. 5, the bushing is of the shape of part of a toroid with top and bottom flattened sides, and the internal surface of the eye is correspondingly shaped. The pivot pins are locked by square heads engaging rectangular sockets formed, on the outer sides of the link arms, by lugs 11, 12 and reinforcing webs 10.
Patent GB-945664-A (GB)
Title: Improvements in valves for telescopic hydraulic shock absorbers
Inventor: DAY ALAN ROBERT ANDREW
IPC: F16F9/34
Filed: 1962-07-21
Abstract: 945,664. Hydraulic shock-absorbers. ARMSTRONG PATENTS CO. Ltd. July 21, 1962, No. 28160/62. Heading F2S. An hydraulic shock-absorber valved piston assembly comprises a piston-rod 5 and a passage 3 formed in the body 4 of the piston and an insert 6 secured in the working face of the piston, a perforated valve spindle head 10 being held in the passage on a shoulder 8 of the insert. The valve spindle 13 guides a valve plate 14 which is resiliently loaded, e.g. by a spring 15, to seat upon the inner end of the insert. In the construction shown, the inner end of the insert is swaged over the spindle head which is in the form of a spider. The spring pressure is varied by a shim washer(s) 17. Specification 657,030 is referred to.
Patent GB-1260043-A (GB)
Title: Improvements in or relating to polymers
IPC: C08G65/08
Filed: 1969-06-04
Abstract: 1,260,043. Block copolymers of unsaturated and of heterocyclic monomers. DENKI ONKYO CO. Ltd. 4 June, 1969 [4 June, 1968], No. 28230/69. Heading C3P. An end-blocked polymer of ethylenically unsaturated monomer units is connected at least at one chain terminus to either a ring- opened unit of at least one cyclic monomer selected from #-lactones, #-caprolactone and ethylene oxide or to the chain terminus of a polymer of ring-opened units of at least one of the said cyclic monomers, the terminus of the polymer of ethylenically unsaturated monomer units and a ring-opened unit being connected through an amide or nitrogen linkage. The end blocked polymer may be prepared by (a) polymerizing an ethylenically unsaturated monomer in the presence of a halogen compound (a telogen) to obtain an #-halopolymer, (b) subjecting the said halopolymer to ammonolysis or aminolysis to obtain an #-aminopolymer and (c) reacting said aminopolymer with the cyclic monomer. An ammonia-ethanol mixture, liquid ammonia or a primary or secondary amine is preferably used in step (b). In the examples, (i) styrene is polymerized in CCl 4 , treated with liquid NH 3  and reacted with #-propiolactone or ethylene oxide, (ii) methyl methacrylate and methacrylic acid are copolymerized in CCl 4  in the presence of polymethyl methacrylate, treated with liquid NH 3  and reacted with #- butyrolactone, (iii) acrylonitrile is polymerized in CCl 4 /CBr 4 /dimethyl sulphoxide, treated with liquid NH 3  and reacted with #-caprolactone and (iv) acrylonitrile is polymerized in CCl 4 / dimethyl sulphoxide, treated with liquid NH 3  and reacted with #-propiolactone.
Patent GB-748626-A (GB)
Title: Rotary paint applicators
IPC: B05C17/02
Filed: 1954-10-14
Abstract: A paint applicator comprises a roller having a permeable cover, e.g. of fabric, and a spindle on which the roller is mounted, the spindle being connected to a handle through a flexible and resilient coupling.  The ends of the spindle and handle do not touch, the coupling spanning the gap between them.  The coupling may be a coiled spring, a piece of rubber socketed at each end to receive the spindle and handle, a rubber tube, or one or two metal strips connected at opposite ends to the spindle and handle.
Patent GB-954969-A (GB)
Title: Benches for the manufacture of large building elements
IPC: B28B7/42
Filed: 1962-07-24
Abstract: 954,969. Electrically heated moulds. R. F. E. CAMUS. July 24, 1962 [Aug. 10, 1961], No. 28364/62. Heading H5H. [Also in Division B5] A bench 10 for casting concrete is heated by sinuous electric elements 25 secured by glue to the upper surface of a plate 22, the bottom of which may be lagged. In a modification (Fig. 5, not shown) the elements may be forced against the bench by a plate supported by threaded rods. The temperature may be controlled by a thermostat.
Patent GB-703481-A (GB)
Title: Improvements in or relating to the illumination of traffic signs
IPC: G08G1/095
Filed: 1950-11-20
Abstract: 703,481. Road traffic signs. FRANCOBRITISH ELECTRICAL CO., Ltd., and BRACKENSEY, A. H. Nov. 20, 1951 [Nov. 20, 1950], No. 28369/50. Class 3(2) [Also in Group XI] A unit for lighting a traffic sign comprises a flat casing 5 of trapezium form in plan view mounted so that it is substantially horizontal with one longitudinal side along which a discharge tube of the cold cathode type is mounted, directed to-- wards the sign, the discharge tube being covered by a window 7. The casing is bolted to two arms 3, 4 fixed to a post 1 which may carry the sign to be illuminated; a series of bolt holes in the arms allows the position of the casing to be changed. The operating voltage of the discharge tube is not greater than 600 volts. A transformer may be mounted in the casing or it may be supported on the post.
Patent GB-680352-A (GB)
Title: Improvements in or relating to coin-freed telephone or radio telephone apparatus
Inventor: BUTLER HUGH ERNEST JAMES
IPC: G07F15/12
Filed: 1949-11-05
Abstract: 680,352. Coin-freed telephone and radio-telephone apparatus. HALL TELEPHONE ACCESSORIES, Ltd., and AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. Oct. 26, 1950 [Nov. 5, 1949], No. 28389/49. Class 27. Coin-freed wireless receiving apparatus. Coin action, mechanical connection. A switching member for connecting a loudspeaker to a wired programme system is locked in its " off" position until a coin is inserted, and is locked in its "on" position until a release member, accessible through an opening in a casing, is operated, e.g., by an official. A slide 24 is normally prevented from moving to the left to operate a springset MC by engagement of a tooth 41 on, the slide with a tooth 49 on a latch 42. A sixpence inserted in a recess in a member 30 rigid with the slide and in a member 33 urged by a spring about a pivot 34 on the slide, serves, by engaging a surface 46 on the latch 42, to depress it about a pivot 43 as the slide 24 is moved. The tooth 49 is thus lowered out of the path of the tooth 41 until the sixpence passes the vertical edge 48 of the surface 46 and is discharged to a coin drawer 12, when the latch 42 is returned, by a spring 44 to engage a stop 45 in which position the tooth 49 prevents the slide 24 from being returned to the right by a spring 28. The latch 42 may be depressed to release the slide 24 by pressing a fingerplate 52 accessible through a hole 53 in the casing against a bowed spring 56; a bent-over portion of the fingerplate then turns a bell-crank 36 about a pivot 37 on the slide 24 against a spring 39 so that the bell-crank engages and depresses the latch 42. A key-operated device may, alternatively, serve to release the apparatus. According to the Provisional Specification the device may be released by an electrical signal from .the main distribution centre. This subject-matter does not appear in the Complete Specification. The springset.MC short circuits the primary of the loudspeaker transformer when it is disconnected. A switch for selecting any of several programmes, and a volume control, are available to the user. Casings. Money boxes. The front cover of the casing may. be swung forward and upward, to disengage lugs 15, 16 on the cover from slots in the casing, when a screw 19, normally hidden behind a flange on'the locked coin drawer 12, is disengaged from a lug 18. The cover carries all the mechanism.
Patent GB-647399-A (GB)
Title: Improvements in or relating to liquid discharge apparatus
IPC: F23D11/28
Filed: 1947-05-23
Abstract: 647,399. Gas turbine plant. POWER JETS (RESEARCH & DEVELOPMENT), Ltd., FLETCHER, W. G., and ASHWOOD, P. F. May 23, 1947, No. 28520/49. Divided out of 647,344. [Class 110(iii)] [Also in Groups XI and XXIX] A gas turbine plant fuel system comprises a main burner of the spill type and a subsidiary or pilot burner which is supplied and maintained from the spill of liquid from the main burner. The pilot and main burners may be combined as a single unit comprising a single body 10 divided by a partition 13 into chambers 11, 12 closed, respectively, by a cap 14 containing the main swirl chamber 20 and discharge orifice 15, and by a screwed plug 27 containing a tube 23 and passes through tangential passages 22 into the main swirl chamber 20. At low fuel pressures no discharge occurs through the main orifice 15, the fuel supplied passing through a bore 21 in a plug 17 to the chamber 12 and thence through tangential passages 29 into the swirl chamber 28 to be discharged through the pilot orifice 26, excess fuel being returned through pipe 24 controlled by a valve 25
Patent GB-1046944-A (GB)
Title: Improvements in or relating to structural reinforcing systems
IPC: E04C5/08
Filed: 1963-07-19
Abstract: 1,046,944. Reinforced concrete structures. J. B. BRAITHWAITE. Sept. 11, 1964 [July 19, 1963], No. 28571/63. Heading E1V. A reinforcing system embedded in beams, platforms and the like made of concrete or other plastic material comprises a length of rigid tubular material closed at both ends and pressurized to above atmospheric pressure by compressing gas into the tube. The tube may be of metal or non-metal or a combination of both; its inner and outer cross sectional shapes may be similar or dissimilar; the wall thickness need not be constant. The tube may have one or more internal passages and may have fins attached to its external surface parallel with or inclined to the longitudinal axis of the tube.
Patent GB-1392154-A (GB)
Title: Bis-azo-methine metal complex pigments processes for their manufacture and their use
IPC: C08L1/00
Filed: 1973-06-15
Abstract: 1392154 1 - Formyl - 2 - hydroxy - 3 - naphthoic acid derivatives CIBA-GEIGY AG 15 June 1973 [19 June 1972] 28620/73 Heading C2C [Also in Division C4] 1 - Formyl - 2 - hydroxy - 3 - naphthoic acid anilide is prepared from 1-formyl-2-hydroxy-3- naphthoic acid by reacting the acid chloride with aniline. The corresponding 2-methyl-4- chloro anilide, 2,4 - dimethoxy - 5 - chloroanilide, 4 - methyl - anilide and 4 - chloroanilide are prepared analogously. 1 - Formyl - 2 - hydroxy - 3 - naphthoic acid methyl ester was prepared from the corresponding acid via the acid chloride and reaction with methanol.
Patent GB-1044095-A (GB)
Title: Composite refractory furnace wall and component anchor brick
IPC: F27D1/08
Filed: 1965-07-06
Abstract: 1,044,095. Refractory walls. M. H. DETRICK CO. July 6, 1965 [Oct. 2, 1964], No. 28687/65. Heading F4B. In a monolithic furnace wall of the type shown in Specification 957,286, the inner faces of the anchor bricks formed with alternate ribs and grooves aligned on opposite sides has a smaller cross-section than the adjacent ribbed portion to alleviate spalling of the said inner faces. On one pair of opposite sides of the anchor bricks, the ribs and grooves are smaller in height and depth than the remaining pair. The complete wall. Fig. 3 (not shown), has a monolithic inner layer incorporating the anchor bricks, a central layer of anchor bricks and an outer layer of heat insulation bounded by the metal shell.
Patent GB-840650-A (GB)
Title: Improvements in the slip-casting of ceramic objects
Inventor: DANIEL WILLIAM ARDEN
IPC: B28B21/08
Filed: 1958-09-08
Abstract: 840,650. Moulding ceramic materials. BENDIX AVIATION CORPORATION. Sept. 8, 1958, No. 28783/58. Class 87(2). In an absorbent hollow cylindrical mould which is rotatable about a horizontal axis to slipcast ceramic material therein centrifugally, one of the end wall members of the mould is transparent so that the appearance of the rotating slip is used to determine the duration of the moulding operation. A barium titanate slip composition is applied to nipple 18 and passes through slots 13a in arbor 13 into the mould 26 which has end walls 27, 28 of plaster of Paris and glass respectively. A nut 33 on the arbor and a pressure plate 40 clamps the end walls 27, 28 to the mould 26. A cylindrical casting 35 is made, the rotation being stopped when the free liquid component of the slip disappears from the inner surface, and with the mould vertical, a wall 36 is pour-cast on plate 27 with a stop 35a in its central aperture. The mould is then inverted and the casting dried until it can be removed from the mould. After further drying the casting is fired : the supporting wall 36 serves to prevent distortion during drying and firing and is later sawn off.
Patent GB-1452197-A (GB)
IPC: G01N21/27
Filed: 1974-06-28
Abstract: 1452197 Studying enzyme catalysed reactions W RALSTON 28 June 1974 [2 July 1973] 28844/74 Heading G1A An enzyme catalyzed reaction is studied by observing a visual display of rate of change of a sample transmission against time. The "rate'of change" signal is generated by differentiating and filtering circuit with means for equilibrating reactive elements to zero, the circuit averaging the differentiated signal over a period of time to suppress noise. Determination of the maximum reaction rate from a chart recorder enables determination of enzyme concentration without errors due to initiation of the reaction or substrate exhaustion. As shown, light from fluorescent U.V. lamp 10 is reduced in wavelength by filter 16 and passed directly to detector 26 and via measuring cell 18 to second detector 22. The detector outputs are fed to amplifier 28 which produces a signal representing absorbance - the logarithm of the ratio of its inputs. The absorbance signal is fed directly to chart recorder 30 and also via adjustable gain amplifier 36 and switch 38 to a meter 34. The signal is also fed to noise filter and differentiator 40 which comprises a conventional differentiator and a higher order active filter arranged for minimum "end tail". The differentiated output is fed to the chart recorder 30 and, after amplification at 42, via switch 38, as an alternative to the absorbance signal to display meter 34. Switch 43 sets the filter and differentiator capacitors in the desired state before recording.
Patent GB-1388057-A (GB)
Title: Combustion control apparatus
IPC: F23N5/24
Filed: 1972-06-20
Abstract: 1388057 Burner controllers ELECTRONICS CORP OF AMERICA 20 June 1972 [21 June 1971] 28884/72 Heading F4T [Also in Divisions G1 and H3] Combustion control apparatus has a photoconductive flame sensor 65 connected in shunt with a regulated voltage source 10, a flame relay 94 and fail-safe circuitry responsive to sensor 65 for operating relay 94; the fail-safe circuitry comprising an amplifier 66, 54, 74, a fail-safe means for monitoring the regulated voltage source and having a source of standard voltage 58, an alternating voltage source applied as an additive component to the standard voltage applied to a base electrode of solid state device 16, the regulated voltage being applied to the emitter of device 16, whereby device 16 alternately conductor and is cut-off in operative mode and assumes a single state in inoperative mode, a fail sage capacitor-diode rectifier circuit 28 responsive to an output signal at the collector of device 16 so that circuit 28 produces a voltage signal level that is substantial in said operative mode and negligible in the inoperative mode, and means for applying said voltage signal level so that the amplifier is enabled and disabled in response to the substantial and negligible values respectively, the monitoring means assuming the inoperative mode upon failure of any non-resistive component thereof. The A.C voltage to the base of transistor is derived from transformer 61 via resistor 62, or by means of a secondary winding of a further transformer connected between resistor 20 and bus 38, Figs. 1, 2 (not shown). The signal at transistor 16 collector passes directly, or via a second transistor 50, to a D.C. blocking capacitor 30 in circuit 29. Photo-cell 65 is responsive to infra-red and gives a signal fluctuating with the flame predominantly at about 10 Hz, this signal being amplified by band-pass amplifier comprising transistor 66, 54 and passed via Darlington pair 75, 76 to an output transistor 74 which is arranged to conduct when transistor 82, in a boot-strap circuit, is non-conducting and vice versa, a capacitor 84 discharging through transistor 74 and charging through transistor 82 and inductor 91, which blocks signals substantially higher than 10 Hz. The varying voltage on capacitor 84 is rectified by diodes 89, 90 to charge capacitor 90 and thereby energize flame relay 94. It is stated that, except for short circuits in the resistors and inductor, all failures of components of the circuit of Fig. 3, result in de-energization of relay 94, even when the supply line voltage fluctuator at the predominant 10 Hz flame fluctuation frequency.
Patent GB-483670-A (GB)
Title: Process for the manufacture of hydroxy acids and unsaturated acids of the cyclopentanophenanthrene series
Filed: 1936-10-23
Abstract: Ketones-17 of the cyclopentanopolyhydrophenanthrene series are converted into the corresponding 17-hydroxy acid esters by the action of halogen aliphatic acid esters in the presence of metals such as zinc or magnesium.  The hydroxy acid esters so produced may then be converted by acid saponification into the corresponding unsaturated acids by splitting off water between the 17-hydroxyl group and and hydrogen atom in neighbouring position. If the free hydroxy acids are required, they are obtained by alkaline saponification of the hydroxy-acid esters.  As suitable ketones-17 which may be used as starting materials for the process according to the present invention there are mentioned the follicle hormone, the male sexual hormone, and other similar ketones-17 of the cyclopentanopolyhydrophenanthrene series with hormone action such as androsterolone and compounds thereof wherein the hydroxyl group at position-3 is replaced by a group reconvertible into a hydroxyl group.  In examples (1) a benzene solution of androstenol-3-one-17-acetate-3 and ethyl bromoacetate is heated in the presence of zinc wool.  The reaction product is treated with dilute sulphuric acid and washed to yield the ester of 3 : 171-dihydroxy-androstenyl-1711-acetic acid, which on alkaline hydrolysis gives the free acid; (2) a benzene solution of androstenol-3-one-17-acetate-3 and a -bromopropionic acid ethyl ester is heated in the presence of zinc wool, and worked up as in example (1) to give 3 : 171dihydroxy-androstenyl-1711-propionic acid.
Patent GB-507284-A (GB)
Title: Geared turbine plant
IPC: F01D15/02
Filed: 1938-10-05
Abstract: 507,284. Elastic - fluid turbines. BRAGARD, T. Oct. 5, 1938, No. 28905. Convention date, Oct. 14, 1937. [Class 110 (iii)] A geared turbine plant, particularly for ships fitted with adjustable prupeller blades, has all its auxiliaries driven from the turbine, or gearing shafts. The plant comprises a H.P. turbine (not shown), L.P. turbine 2, condenser 3, gear casing 4, condensate pump 5, boiler feed pump 6, oil pump 8, and a cooling-water pump (not shown) which is driven by a shaft 10. An additional pump 7 and an electric generator 11 may also be driven. The solid block formed by parts 2, 3, 4 enables a bedplate to be dispensed with. The pumps may incorporate regulating means.
Patent GB-254953-A (GB)
Title: Improvements in or relating to governors for gramophones and like machines
IPC: G11B17/02
Filed: 1925-11-17
Abstract: 254,953. Polden, C. E., and Tozer, B. E. Nov. 17, 1925. actuated by speed regulators. - A centrifugal brake governor for gramophones in which weights h are mounted on springs f secured to a fixed collar c and sliding collar g has additional leaf springs j, m spaced from each side of the springs f so that as the. latter are flexed the former come into operation successively. Two or more additional springs may be placed on each side of the main springs and they are secured by the screws k, n connecting the main springs to the weights and collars, and are spaced apart by washers o. Specification 246,939 is referred to.